Gardaí say the murder of a 52-year-old woman in Dublin happened 'some time' before her body was found.
The body of Lisa Thompson was discovered at her home in Sandyhill Gardens, Ballymun on Tuesday afternoon.
Gardaí say they are investigating "all the circumstances" of her murder and examining "all lines of enquiry".
While they say they have "an open mind" as to the motive for the attack.
The scene remains preserved and a technical and forensic examination of the house is ongoing.
Superintendent Darren McCarthy says Ms Thompson suffered significant injuries.
"Lisa had been subject of a serious physical assault and had suffered significant injuries.
"An Garda Síochána continues to investigate all the circumstances of this murder, and we continue to examine all lines of enquiry and have an open mind as to the motive for this attack at this time.
"I appeal to anyone with any information on this violent murder to contact us at Ballymun Garda station.
"No matter how insignificant you think it may be, we need to hear from you."
Supt McCarthy also made an appeal around Ms Thompson's movements before her death.
"Lisa's death occurred some time before the discovery of her body in her home yesterday at 3.30pm.
"In particular, I am appealing to any person with information on Lisa's movements from Saturday 7th May 2022 up to yesterday Tuesday 10th May 2022 to contact us.
"I am also appealing for any person with any video footage from the Sandyhill area of Ballymun, and the surrounding roads of Marewood Crescent, Balbutcher Lane for that period - between Saturday 7th May 2002 to Tuesday 10th May 2022 at 3.30pm - to contact investigating Gardaí".
An incident room has been set up at Ballymun Garda station under the direction of a senior investigating officer.
A family liaison officer has also been appointed to Ms Thompson's family.
Anyone with information can contact Ballymun Garda station at 01-666-4400, the Garda Confidential Line on 1800-666-111 or any Garda station.